http://www.lasvegassun.com/sunbin/stories/nat-gen/2006/mar/23/032308250.htmlJUNEAU, Alaska (AP) - Since the Exxon Valdez caused the worst oil spill in the nation's history, tankers that ship Alaska's crude oil to the West Coast have become stronger, with double hulls and redundant operating systems for safety.
Two escort vessels guide the tankers out of Prince William Sound. And more equipment is housed nearby to respond if a spill happens again.
With the 17th anniversary of the 11 million-gallon spill on Friday, some say the potential for oil spill disasters has shifted onshore. Corrosion in the aging oil supply system is seen by some as a growing threat to the state's pipeline system, as evidenced by a leak on the North Slope this month.
"I think many of us are seriously concerned about the aging and the deterioration of the pipeline and the facilities," said John Devens, executive director of the Prince William Sound Regional Citizens' Advisory Council.
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